function showImage (imageName)
{
   if (document.images)
   {
      document[imageName].src = eval(imageName + "ON.src") 
   }
}

function hideImage (imageName)
{
   if (document.images)
   {
      document[imageName].src = eval(imageName + ".src")
   }
}

function preload(imgObj,imgSrc)
{
    eval(imgObj+' = new Image()')
    eval(imgObj+'.src = "'+imgSrc+'"')
}

function openWin(page)
{
   window.open(page,"editWin","width=600,height=400,status=0,scrollbars=1")
}